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Class H/K5 and R Fuse Blocks
250 and 600 Volt
SPECIFICATIONS
Voltage Rating: 250 Volts; 600 Volts Ampere Ratings:0 - 600 amperes Approvals: UL Listed (File No. E14721) CSA Certified (File No. LR73091)
RECOMMENDED FUSES
Class H Blocks 250V 600V
NLN RLN NLS RLS
Class R Blocks 250V 600V
FLNR KLNR LLNRK TLN FLSR/FLSR_ID KLSR LLSRK/LLSRK_ID IDSR
Class H fuse blocks are for use with Class H/K5 fuses, which have an interrupting rating of up to 50,000 amperes. When higher interrupting ratings are required, use Class R fuses (200,000 A.I.R.) and Class R fuse blocks. Class R fuse blocks are dimensionally the same as Class H blocks, but incorporate a rejection feature which allows only Class R fuses to be inserted.
FEATURES/BENEFITS
Class H and Class R fuse blocks feature a one-piece fuse clip design for positive electrical contact and minimum heat rise. Side barriers provide isolation between poles. Bases on most blocks are of molded phenolic or thermoplastic, UL rated at 150 C.
Class H 250V
Amp No. of Rating Poles 1 2 3 1 2 3 1 2 3 1 3 1 3 1 3 Catalog Number LH25030-1 LH25030-2 LH25030-3 LH25060-1 LH25060-2 LH25060-3 LH25100-1 LH25100-2 LH25100-3 LH25200-1 LH25200-3 LH25400-1 LH25400-3 LH25600-1 LH25600-3 Connector Type (Add suffix shown)
Screw Pressure Plate Box Lug
Class H 600V
Maximum Wire Size Amp No. of Rating Poles 1 2 3 1 2 3 1 2 3 1 3 1 3 1 3 Catalog Number LH60030-1 LH60030-2 LH60030-3 LH60060-1 LH60060-2 LH60060-3 LH60100-1 LH60100-2 LH60100-3 LH60200-1 LH60200-3 LH60400-1 LH60400-3 LH60600-1 LH60600-3 Connector Type (Add suffix shown)
Screw Pressure Plate Box Lug
Maximum Wire Size
30
60
S (R) S (R) S (R) S (R) S (R) S (R)
P (R) P (R) P (R)
100 200 400 600
C (R) S & P = #10 CU C (R) C = #6 CU-AL C (R) C (R) S = #10 CU C (R) C = #2 CU-AL C (R) C C #2/0 CU-AL C C 250 MCM CU-AL C CR CR (2) 350 MCM CU-AL C (2) 500 MCM CU-AL C
30
S (R) S (R) S (R)
P (R) P (R) P (R)
60
100 200 400 600
C (R) S & P = #10 CU C (R) C = #6 CU-AL C (R) C (R) S = #10 CU C (R) C = #2 CU-AL C (R) C C #2/0 CU-AL C C 250 MCM CU-AL C CR CR (2) 350 MCM CU-AL C (2) 500 MCM CU-AL C
Note: Reinforcing springs standard on all Class H fuse blocks 100 amperes and above.
Note: Reinforcing springs standard on all Class H fuse blocks 100 amperes and above.
Class R 250V
Amp No. of Rating Poles 1 2 3 1 2 3 1 2 3 1 3 1 3 1 3 Catalog Number LR25030-1 LR25030-2 LR25030-3 LR25060-1 LR25060-2 LR25060-3 LR25100-1 LR25100-2 LR25100-3 LR25200-1 LR25200-3 LR25400-1 LR25400-3 LR25600-1 LR25600-3 Connector Type (Add suffix shown)
Screw Pressure Plate Box Lug
Class R 600V
Maximum Wire Size Amp No. of Rating Poles 1 2 3 1 2 3 1 2 3 1 3 1 3 1 3 Catalog Number LR60030-1 LR60030-2 LR60030-3 LR60060-1 LR60060-2 LR60060-3 LR60100-1 LR60100-2 LR60100-3 LR60200-1 LR60200-3 LR60400-1 LR60400-3 LR60600-1 LR60600-3 Connector Type (Add suffix shown)
Screw Pressure Plate Box Lug
Maximum Wire Size
30
SR SR SR
PR PR PR
60
100 200 400 600
CR CR CR CR CR CR C C C C C CR CR C C
S & P = #10 CU C = #6 CU-AL S = #10 CU C = #2 CU-AL #2/0 CU-AL 250 MCM CU-AL (2) 350 MCM CU-AL (2) 500 MCM CU-AL
30
SR SR SR
PR PR PR
60
100 200 400 600
CR CR CR CR CR CR C C C C C CR CR C C
S & P = #10 CU C = #6 CU-AL S = #10 CU C = #2 CU-AL #2/0 CU-AL 250 MCM CU-AL (2) 350 MCM CU-AL (2) 500 MCM CU-AL
Note: Reinforcing springs standard on all Class R fuse blocks.
Note: Reinforcing springs standard on all Class R fuse blocks.
110
Class H/K5 and R Fuse Blocks
250 Volt
250V 30A
.22/5.6 DIA. HOLE THRU 4 PLACES
1.91"
[48.5]
2.95"
[74.9]
1.25"
[31.8]
1.50"
[38.1]
1.50"
[38.1]
3.00"
[76.2]
.50"
[13]
.75"
[19]
.19"
[4.8]
.33"
[8.4]
.22" 1.25"
[31.7] [5.7]
.53"
[13]
1.12"
[28.4]
2.50"
[63.5]
1.38"
[35.1]
1 POLE
2 POLE
3 POLE
250V 60A
.218/[5.54] DIA. C'BORE .400/[10.16] DIA. X .63[16] DP
4.83"
[122.7]
4.83"
[122.7]
4.83"
[122.7]
1.24"
[31.5]
1.24"
[31.5]
1.24"
[31.5]
1.79"
[45.6]
1.79"
[45.6]
1.79"
[45.6]
.49"
[12]
.50" 1.48"
[37.6] [12.7]
.49"
[12]
.50" 1.33"
[33.7] [12.7]
.49 [12]
.50" 1.33"
[33.7]
1.33"
[33.7]
[12.7]
.74"
[19]
2.86"
[72.7]
4.23"
[108]
2.01"
[51.1]
1 POLE
2 POLE
3 POLE
250V 100A
.28 (7.1) THRU .53 (13.5) C'BORE x .60 (15.2) DP
3 POLE
.187 HEX SOCKET
2 POLE
1 POLE
.63 6.13
STRIP GAUGE
STRIP GAUGE
2.37
STRIP GAUGE STRIP GAUGE
1.88
2.44 [62.0]
.61
TYP. 1.56
TYP. FUSE q 1.56
5.05 [128.3]
3.49 [88.6]
1.93 [49.0]
111
Class H/K5 and R Fuse Blocks
250 Volt
250V 200A
.50"
[13]
3.00"
[76.2]
9.00"
[229] .312" HEX.
2.00"
[50.8]
.50"
[13]
2.00"
[50.8]
4.00"
[102]
301"
[76.5]
7.13"
[181.1]
7.13"
[181.1]
3.00"
[76.2]
3.00"
[76.2]
[52.3]
2.06"
2.06"
[52.3]
1.23"
[31.2]
3.00"
[76.2]
.66" 1.06"
[26.9] [16.8]
1 POLE
3 POLE
250V 400A
3.50"
[88.9]
9.25"
[235]
3.31"
[84]
11.50"
[292.1]
11.50"
[292.1]
4.00"
[101.6]
4.00"
[101.6]
3.75
[95.2]
3.75"
[95.3]
10.50"
[266.7]
1 POLE
3 POLE
250V 600A
4.50"
[114.3]
.75"
[19]
11.00"
[279.4]
4.37"
[111]
14.00"
[355.6]
14.00"
[355.6]
5.00"
[127]
5.00"
[127]
[114.3]
4.50"
4.50"
[114.3]
12.50"
[317.5]
1 POLE
3 POLE
112
Class H/K5 and R Fuse Blocks
600 Volt
600V 30A
.34"
[8.7] .265" [6.7] DIA. THRU .05" [12.7] C'BORE x .44 [11.2] DP.
3.13" .31"
[7.9] [79.4]
3.13"
[79.4]
3.13"
[79.4]
6.25"
[159]
6.25"
[159]
6.25"
[159]
.38"
[97]
.25" 1.56"
[39.6] [6.5]
.62" 3.13"
[79.2] [16]
1.63"
[41.4]
.69" 1.69"
[18] [42.9]
2.94"
[74.7]
4.25"
[108]
1 POLE
2 POLE
3 POLE
600V 60A
1.95"
[49.5]
3.51"
[89.2]
5.08"
[1.29]
6.75"
[171.4]
.281" D.
[7.1]
3.12"
[79.2]
.50" D.
[12.7]
1.81"
[46]
.62"
.66"
[19.6]
1.56"
[39.6]
3.12"
[79.2]
.27" .77"
[19.6] [6.8]
[15.7]
1.56"
[39.6]
1.29"
[32.8]
3.12"
[79.2]
2.12"
[53.8]
1 POLE
2 POLE
3 POLE
600V 100A
.28 (7.1) DIA. THRU .59 (14.9) C'BORE x .64 (16.2) DP. TYP.
3 POLE
.187 HEX SOCKET
2 POLE
1 POLE
STRIP GAUGE
STRIP GAUGE
STRIP GAUGE
8.13 .87
STRIP GAUGE
4.26
1.93
2.60 [66.0]
.61
1.81 TYP.
5.73 [145.5]
3.91 [99.3]
2.10 [53.3]
113
Class H/K5 and R Fuse Blocks
600 Volt
600V 200A
.50"
[13]
3.00"
[76.2]
9.00"
[229]
2.00"
[50.8]
.312" HEX.
.50"
[13]
2.00"
[50.8]
4.00"
[102]
3.01"
[76.5]
9.62"
[244]
9.62"
[244]
3.00"
[76.2]
3.00"
[76.2]
3.31"
[84.1]
3.31"
[84.1]
1.23"
[31.2]
3.00"
[76.2]
.66" 1.06"
[26.0] [16.8]
1 POLE
3 POLE
600V 400A
3.50 "
[88.9]
9.25"
[235]
3.31"
[84.1]
14.50"
[368.3]
14.50"
[368.3]
7.00"
[177.8]
7.00"
[177.8]
3.75
[95.3]
3.75"
[95.3]
2.25"
[57.2]
10.50"
[266.7]
1 POLE
3 POLE
600V 600A
4.50"
[114.3]
.75"
[19]
11.00"
[279.4]
4.31"
[109.5]
17.00"
[431.8]
17.00"
[431.8]
8.00"
[203]
8.00"
[203]
4.50"
[114]
4.50"
[114]
3.00"
[76.2 ]
12.50"
[317.5]
1 POLE
3 POLE
114

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